Hearing on school vouchers and public schools, to examine whether vouchers, which won't get close to providing education funds to pay for private school education, will improve academic results in the District of Columbia. Witnesses: Virginia Walden, Bernice Gates, and Sheila Carson-Carr, parents; Brian Bennett, Director of School Operations, School Futures Research Foundation; Arlene Ackerman, Deputy Superintendent, Chief Academic Officer, District of Columbia Public Schools; and Lawrence Callahan, Superintendent of Catholic Schools, Wash., DC. Also articles submitted for the record.